diff options
author | Andreas Schwab <aschwab@redhat.com> | 2009-06-16 13:04:18 +0200 |
---|---|---|
committer | Andreas Schwab <aschwab@redhat.com> | 2009-06-16 13:04:18 +0200 |
commit | 8a598439b93552cb666ab3cf63a5ff8aabd06260 (patch) | |
tree | 50934cb3f9879206cc36e9c80516ef7eb956719c /sysdeps | |
parent | c38262349f9ad25d708e47a6715e94d87aa924ce (diff) | |
parent | 837dea7cf54827d6e43d88a9463bcc10d30472d0 (diff) |
Merge branch 'master' of sourceware.org:/git/glibc into fedora/master
Diffstat (limited to 'sysdeps')
-rw-r--r-- | sysdeps/i386/dl-irel.h | 2 | ||||
-rw-r--r-- | sysdeps/posix/libc_fatal.c | 17 | ||||
-rw-r--r-- | sysdeps/unix/sysv/linux/grantpt.c | 13 | ||||
-rw-r--r-- | sysdeps/unix/sysv/linux/libc_fatal.c | 18 | ||||
-rw-r--r-- | sysdeps/x86_64/bits/select.h | 36 |
5 files changed, 50 insertions, 36 deletions
diff --git a/sysdeps/i386/dl-irel.h b/sysdeps/i386/dl-irel.h index 810a35050b..30385a1ef8 100644 --- a/sysdeps/i386/dl-irel.h +++ b/sysdeps/i386/dl-irel.h @@ -35,7 +35,7 @@ elf_irel (const Elf32_Rel *reloc) if (__builtin_expect (r_type == R_386_IRELATIVE, 1)) { - Elf64_Addr value = ((Elf32_Addr (*) (void)) (*reloc_addr)) (); + Elf32_Addr value = ((Elf32_Addr (*) (void)) (*reloc_addr)) (); *reloc_addr = value; } else diff --git a/sysdeps/posix/libc_fatal.c b/sysdeps/posix/libc_fatal.c index c611b84363..4f11c0fcb0 100644 --- a/sysdeps/posix/libc_fatal.c +++ b/sysdeps/posix/libc_fatal.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1993,1994,1995,1997,2000,2004,2005 +/* Copyright (C) 1993-1995,1997,2000,2004,2005,2009 Free Software Foundation, Inc. This file is part of the GNU C Library. @@ -17,6 +17,7 @@ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ +#include <atomic.h> #include <errno.h> #include <fcntl.h> #include <paths.h> @@ -123,6 +124,20 @@ __libc_message (int do_abort, const char *fmt, ...) if (TEMP_FAILURE_RETRY (__writev (fd, iov, nlist)) == total) written = true; + + char *buf = do_abort ? malloc (total + 1) : NULL; + if (buf != NULL) + { + char *wp = buf; + for (int cnt = 0; cnt < nlist; ++cnt) + wp = mempcpy (wp, iov[cnt].iov_base, iov[cnt].iov_len); + *wp = '\0'; + + /* We have to free the old buffer since the application might + catch the SIGABRT signal. */ + char *old = atomic_exchange_acq (&__abort_msg, buf); + free (old); + } } va_end (ap); diff --git a/sysdeps/unix/sysv/linux/grantpt.c b/sysdeps/unix/sysv/linux/grantpt.c index b894b8b631..c858f89c8b 100644 --- a/sysdeps/unix/sysv/linux/grantpt.c +++ b/sysdeps/unix/sysv/linux/grantpt.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1998, 1999, 2001, 2002 Free Software Foundation, Inc. +/* Copyright (C) 1998, 1999, 2001, 2002, 2009 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -70,9 +70,16 @@ grantpt (int fd) return -1; /* If the slave pseudo terminal lives on a `devpts' filesystem, the - ownership and access permission are already set. */ + ownership is already set and the access permission might already + be set. */ if (fsbuf.f_type == DEVPTS_SUPER_MAGIC || fsbuf.f_type == DEVFS_SUPER_MAGIC) - return 0; + { + struct stat64 st; + + if (fstat (fd, &st) == 0 + && (st.st_mode & ACCESSPERMS) == (S_IRUSR|S_IWUSR|S_IWGRP)) + return 0; + } return __unix_grantpt (fd); } diff --git a/sysdeps/unix/sysv/linux/libc_fatal.c b/sysdeps/unix/sysv/linux/libc_fatal.c index c7fac6ab51..7287f4ef6c 100644 --- a/sysdeps/unix/sysv/linux/libc_fatal.c +++ b/sysdeps/unix/sysv/linux/libc_fatal.c @@ -1,4 +1,5 @@ -/* Copyright (C) 1993-1995,1997,2000,2002-2005 Free Software Foundation, Inc. +/* Copyright (C) 1993-1995,1997,2000,2002-2005,2009 + Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -16,6 +17,7 @@ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ +#include <atomic.h> #include <errno.h> #include <fcntl.h> #include <paths.h> @@ -131,6 +133,20 @@ __libc_message (int do_abort, const char *fmt, ...) if (cnt == total) written = true; + + char *buf = do_abort ? malloc (total + 1) : NULL; + if (buf != NULL) + { + char *wp = buf; + for (int cnt = 0; cnt < nlist; ++cnt) + wp = mempcpy (wp, iov[cnt].iov_base, iov[cnt].iov_len); + *wp = '\0'; + + /* We have to free the old buffer since the application might + catch the SIGABRT signal. */ + char *old = atomic_exchange_acq (&__abort_msg, buf); + free (old); + } } va_end (ap); diff --git a/sysdeps/x86_64/bits/select.h b/sysdeps/x86_64/bits/select.h index 7f23cb59b1..5f31b84080 100644 --- a/sysdeps/x86_64/bits/select.h +++ b/sysdeps/x86_64/bits/select.h @@ -1,4 +1,4 @@ -/* Copyright (C) 1997, 1998, 1999, 2001, 2008 Free Software Foundation, Inc. +/* Copyright (C) 1997,1998,1999,2001,2008,2009 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -27,14 +27,8 @@ # if __WORDSIZE == 64 # define __FD_ZERO_STOS "stosq" -# define __FD_SET_BTS "btsq" -# define __FD_CLR_BTR "btrq" -# define __FD_ISSET_BT "btq" # else # define __FD_ZERO_STOS "stosl" -# define __FD_SET_BTS "btsl" -# define __FD_CLR_BTR "btrl" -# define __FD_ISSET_BT "btl" # endif # define __FD_ZERO(fdsp) \ @@ -48,26 +42,6 @@ : "memory"); \ } while (0) -# define __FD_SET(fd, fdsp) \ - __asm__ __volatile__ (__FD_SET_BTS " %1,%0" \ - : "=m" (__FDS_BITS (fdsp)[__FDELT (fd)]) \ - : "r" (((int) (fd)) % __NFDBITS) \ - : "cc","memory") -# define __FD_CLR(fd, fdsp) \ - __asm__ __volatile__ (__FD_CLR_BTR " %1,%0" \ - : "=m" (__FDS_BITS (fdsp)[__FDELT (fd)]) \ - : "r" (((int) (fd)) % __NFDBITS) \ - : "cc","memory") -# define __FD_ISSET(fd, fdsp) \ - (__extension__ \ - ({register char __result; \ - __asm__ __volatile__ (__FD_ISSET_BT " %1,%2 ; setcb %b0" \ - : "=q" (__result) \ - : "r" (((int) (fd)) % __NFDBITS), \ - "m" (__FDS_BITS (fdsp)[__FDELT (fd)]) \ - : "cc"); \ - __result; })) - #else /* ! GNU CC */ /* We don't use `memset' because this would require a prototype and @@ -79,8 +53,10 @@ for (__i = 0; __i < sizeof (fd_set) / sizeof (__fd_mask); ++__i) \ __FDS_BITS (__arr)[__i] = 0; \ } while (0) -# define __FD_SET(d, set) (__FDS_BITS (set)[__FDELT (d)] |= __FDMASK (d)) -# define __FD_CLR(d, set) (__FDS_BITS (set)[__FDELT (d)] &= ~__FDMASK (d)) -# define __FD_ISSET(d, set) (__FDS_BITS (set)[__FDELT (d)] & __FDMASK (d)) #endif /* GNU CC */ + +#define __FD_SET(d, set) (__FDS_BITS (set)[__FDELT (d)] |= __FDMASK (d)) +#define __FD_CLR(d, set) (__FDS_BITS (set)[__FDELT (d)] &= ~__FDMASK (d)) +#define __FD_ISSET(d, set) \ + ((__FDS_BITS (set)[__FDELT (d)] & __FDMASK (d)) != 0) |